html
    font-size: 42.66666666666667px
    @media (min-width: 360px)
        font-size: 48px
    @media (min-width: 375px)
        font-size: 50px
    @media (min-width: 400px)
        font-size: 53.33333333333333px
    @media (min-width: 414px)
        font-size: 55.2px
    @media (min-width: 450px)
        font-size: 60px
    @media (min-width: 480px)
        font-size: 64px
    @media (min-width: 510px)
        font-size: 68px
    @media (min-width: 540px)
        font-size: 72px
    @media (min-width: 570px)
        font-size: 76px
    @media (min-width: 600px)
        font-size: 80px
    @media (min-width: 630px)
        font-size: 84px
    @media (min-width: 660px)
        font-size: 88px
    @media (min-width: 690px)
        font-size: 92px
    @media (min-width: 720px)
        font-size: 96px
    @media (min-width: 750px)
        font-size: 100px
    
body
    max-width: 750px
    margin: 0 auto
    display: block
    background: #ffffff
.clearfix
  &:after, &:before
    display: block
    content: " "
    clear: both
    zoom: 1
//头部


//底部
footer
  padding-bottom: 0.4rem
  .fot-bg
    width: 3.75rem
    height: 2.25rem
    background: url(../i/img/fotter-bg.jpg) center no-repeat
    background-size: cover
  .footer-chat
    display: flex
    display: -webkit-flex
    flex-grow: 1
    background: #ffffff
    position: fixed
    bottom: 0
    left: 0
    width: 100%
    z-index: 30000
    a.x6
      width: 50%
      text-align: center
      color: #333333
      font-size: 0.15rem
      padding: 0.1rem 0
      img
        vertical-align: middle
        margin-right: 0.11rem
      img.icon15
        width: 0.16rem
        height: 0.16rem
      img.icon16
        width: 0.14rem
        height: 0.16rem
    a.tel
      display: block
      position: absolute
      top: -0.12rem
      left: 50%
      margin-left: -0.2rem
      img
        width: 0.35rem
        height: 0.35rem
        display: block
        border: 0.08rem solid #ffffff
        border-radius: 50%
        